#include <bits/stdc++.h>
using namespace std;

int cnt[100005];

int main() {
    freopen("duel.in", "r", stdin);
    freopen("duel.out", "w", stdout);
    int n;
    scanf("%d", &n);
    for (int i = 0; i < n; i++) {
        int x;
        scanf("%d", &x);
        cnt[x]++;
    }
    int ans = 0;
    for (int i = 1; i <= 100003; i++) {
        ans = max(ans, cnt[i]);
    }
    printf("%d", ans);
}
